Our top bar hive is constructed from Ponderosa pine and features precision milled top bars which will help your bees construct parallel comb. Our top bar hive also includes a follower board and a glass observation window, with cover, so you can observe your bees without opening the hive. Our top bar hive cover consists of a 1/”4 thick Masonite inner liner and is covered with 26 gage galvanized steel to provide years of service.